The Loyal War Governors' Conference was an important political event of the American Civil War. It was held at the Logan House Hotel in Altoona, Pennsylvania, on September 24 and 25, 1862. Thirteen governors of Union states came together to discuss the war effort, state troop quotas, and the ultimate support of President Abraham Lincoln and his Emancipation Proclamation. The leaders also suggested the removal of General George B. McClellan as commander of the Army of the Potomac. The meeting was established and hosted by Pennsylvania Governor Andrew Gregg Curtin, who was a staunch defender of the war effort and Lincoln Administration policies. Ultimately, the event provided Lincoln much-needed support from the Northern states.

Altoona is a city in Blair County, Pennsylvania, United States. The population was 43,963 at the time of the 2020 census. It is the principal city of the Altoona metropolitan area, which includes all of Blair County and was recorded as having a population of 122,822 in 2020.